Allow a forced update of the setup reader

When the network is down it can happen the bootstrap file request is not yet timed out but we use our own time out.
In that case we check the cached data upfront by faking a failed web read.

src/blackcore/application.cpp

@@ -417,10 +417,21 @@ namespace BlackCore
         });
 
         // setup handling completed with success or failure, or we run into time out
-        if (m_setupReader->isSetupAvailable()) { return CStatusMessage(this).info("Setup available"); }
+        CStatusMessageList msgs;
+        bool forced = false;
+        if (!m_setupReader->isSetupAvailable())
+        {
+            forced = true;
+            m_setupReader->forceAvailabilityUpdate(); // maybe web reading still hanging
+        }
+        if (m_setupReader->isSetupAvailable())
+        {
+            msgs.push_back(CStatusMessage(this).info(forced ? "Setup available after forcing (so likely web read still pending)" : "Setup available"));
+            return msgs;
+        }
 
         // getting here can means no "real" read success, and NO available cache
-        CStatusMessageList msgs(CStatusMessage(this).error("Setup not available, setup reading failed or timed out."));
+        msgs.push_back(CStatusMessage(this).error("Setup not available, setup reading failed or timed out."));
         if (m_setupReader->getLastSetupReadErrorMessages().hasErrorMessages())
         {
             msgs.push_back(m_setupReader->getLastSetupReadErrorMessages());

src/blackcore/db/databasereader.h

@@ -308,7 +308,7 @@ namespace BlackCore
             mutable QReadWriteLock      m_statusLock;               //!< Lock
             QNetworkReply::NetworkError m_1stReplyStatus = QNetworkReply::UnknownServerError;     //!< Successful connection?
             QMap<BlackMisc::Network::CEntityFlags::Entity, HeaderResponse> m_sharedFileResponses; //!< file responses of the shared files
-            BlackMisc::CStatusMessage::StatusSeverity m_severityNoWorkingUrl = BlackMisc::CStatusMessage::SeverityError; //!< severity of message if there is no working URL
+            BlackMisc::CStatusMessage::StatusSeverity m_severityNoWorkingUrl = BlackMisc::CStatusMessage::SeverityWarning; //!< severity of message if there is no working URL
 
             //! Constructor
             CDatabaseReader(QObject *owner, const CDatabaseReaderConfigList &config, const QString &name);

src/blackcore/setupreader.cpp

@@ -202,6 +202,11 @@ namespace BlackCore
         m_shutdown = true;
     }
 
+    void CSetupReader::forceAvailabilityUpdate()
+    {
+        this->manageSetupAvailability(false, false); // fake a failed web read
+    }
+
     void CSetupReader::readSetup()
     {
         const CStatusMessageList msgs(this->triggerReadSetup());

src/blackcore/setupreader.h

@@ -149,6 +149,10 @@ namespace BlackCore
         //! \threadsafe
         bool isSetupAvailable() const { return m_setupAvailable; }
 
+        //! Force an availability update
+        //! \remark check for cached setup if the read check never got triggered
+        void forceAvailabilityUpdate();
+
         //! Version info available?
         //! \threadsafe
         bool isUpdateInfoAvailable() const { return m_updateInfoAvailable; }